:root {
  --color-primary: #145A32; /* 墨绿 */
  --color-primary-light: #D4EFDF; /* 浅绿 */
  --color-bg: #fff; /* 白色 */
  --color-card-bg: #F8FBF7; /* 卡片浅底 */
  --color-text: #222;
  --color-text-light: #666;
  --color-border: #B7E1CD;
  --color-shadow: 0 8px 32px rgba(20,90,50,0.08);
  --color-gradient: linear-gradient(135deg, #145A32 0%, #D4EFDF 100%);
}
